First of all, to understand the performance of the ewes before delivery.
The performance of the ewes at the time of labor is: the breasts grow large, the nipples stand upright, and a small amount of clear gelatinous liquid or a small amount of colostrum can be squeezed out from the nipples. The vulva is swollen and flushed, sometimes with thick mucus. The pelvic ligaments became soft and relaxed, and the inflame and hips collapsed. In the hours before childbirth, her performance was disturbed, she turned around frequently and she was lying and lying down. She often used four limbs to grind the ground and issued a call to call for oysters. The frequency of urination increased and she looked back to find a quiet corner and lie on the floor. Straight, out of the vaginal amniotic fluid, and some like lambs close to other ewes.
Second, we must prepare for antenatal preparation.
Preparation of delivery room Ewe delivery house requires light, spacious, sanitary, dry and warm floor, harmful gas within the allowable range, no thieves. Where conditions permit, separate ewes can be built, and the ewes near the farrowing animal can be sent to the farrowing house. After the lamb is born, the mother and child can be returned to the shed. As lambs are raised, the number of sheep in stocks of ewes increases rapidly. Therefore, the ewes must be spacious. Prevent the ewes from fighting each other and harming them and the ewes stepping on and killing the newborn lambs. Before lambing, the place to be contacted by the lambs such as the sheds and tillers should be thoroughly disinfected with 3%-5% fire alkali water or 10%-20% lime milk solution.
Preparation of supplies and medicines The equipment and medicines to be prepared include washbasins, buckets, brooms, towels, soaps, rags, flashlights, light bulbs, stoves, numbering tools, needles, lambs' paper, milk powder, baby bottles, milk sheep, and quail. , Poria, water chute, potassium permanganate powder, iodine, lycopene, alcohol, glucose powder, tetanus antitoxin, "triple seedlings", "Sheep seedlings", "No. 5 seedlings", "Pleural pleuropneumoniae vaccine" , calcium tablets and so on.
The responsibility and skill level of carefully selected lamb guards of the lamb guards are important factors in determining the survival of the lambs. The work of nurturing the lambs requires carefulness and patience, and requires certain knowledge of sheep breeding and the treatment of common diseases. It is necessary to do a good job for the lambs to be suckled, milked, sterilized, epidemic prevention and treatment as well as for feeding, grazing, cleanup of housing and earmarking. Under conditional conditions, the nursing staff should be trained to pick up lambs and other related technical training.
Third, the correct delivery of ewe delivery.
The ewes were found to have signs of lambing. Immediately use scissors to cut away the villi around the udder's udder and the inside of the hind legs. Scrub the nearby dirt with warm water. Examine the breasts, squeeze the milk from the nipple hole, and place the tail root, vulva, and anus of the ewes. Wash and sterilize with 1% of the infant liquid, and the midwife's arm should also be disinfected.
Ewes normally produce lambs quickly. Normally, the young sheep can produce lambs about half an hour after the amniotic membrane is broken, and the young females may be slightly older. When producing double lambs, it takes about 10-20 minutes, and the individual ewes take longer. When the normal output of the lamb is produced, the two forelimbs are exposed first, and the head is attached to the two forelimbs. At this time, there is no need for midwifery. When the ewes produced the first lamb, there was still a painful performance, and the lying ground could not afford to be blamed. The ewe was forced to raise its front on the abdomen's abdomen. If it was a twin lamb, it could feel the smoothness of the lamb. When the fetus has exposed the vulva, but has not broken the water, the amniotic membrane can be torn, and wipe the mucus in the fetus and nose to promote fetal breathing. The amniotic membrane must never be torn before most of the fetal head has been exposed, because premature water breakage is not conducive to fetal output. When the lamb and amniotic membrane are produced at the same time, tear the amniotic membrane immediately.
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